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CloudNative/Kubernetes/Base/k8s-deployment.md

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+```
+apiVersion: app/v1 # kubectl explain deployment
+kind: Deployment
+metadata:
+  name: deploy-demo
+  namespace: default
+
+spec:
+  replica: 2
+  selector: # 选择器匹配[与以下templatelabels匹配]
+    matchLabels:
+      app: myapp-demo
+      release: v2
+  template:
+    metadata:
+      labels:
+        app: myapp-demo
+        release: v2
+    spec:
+      containers:
+      - name: myapp
+        image: xxx/myapp
+        ports:
+        - name: demo-http
+          containerPort:80
+```
+## 创建
+	kubectl apply -f deploy-demo.yaml
+## 查看deployment
+	kubectl get deployment
+## 项目详细信息
+	kubectl describe deploy名称
+## 回滚
+	kubectl rollout undo deployment deploy-demo --to-revision=版本
+## 暂停
+	kubectl rollout pause deployment deploy-demo
+## 暂停恢复
+	kubectl rollout resume deployment deploy-demo
+## 查询升级状态
+    kubectl rollout status deployment deploy-demo
+## 查询升级历史
+    kubectl rollout history deployment deployment
+## 打补丁[json格式]
+	kubectl patch deployment deploy-demo -p '{"spec":{"replica":5}}' 
+	或kubectl set image deployment deploy-demo image=xxx/myapp:v1